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1. 发明授权

US08217104B2 Highly transparent and tough-stiff styrene-butadiene block copolymer mixtures 有权
标题翻译：高度透明和坚韧的苯乙烯 - 丁二烯嵌段共聚物混合物
公开(公告)号：US08217104B2
公开(公告)日：2012-07-10
申请号：US12306258
申请日：2007-06-13
申请人： Jennifer Stewart , Peter Merkel , Daniel Wagner , Konrad Knoll , Jürgen Koch
发明人： Jennifer Stewart , Peter Merkel , Daniel Wagner , Konrad Knoll , Jürgen Koch
IPC分类号： C08F293/00 , C08F295/00 , C08F297/04 , C08L53/00 , C08L53/02
CPC分类号： C08F297/044 , C08F297/04 , C08L53/02 , C08L2205/025 , C08L2205/03 , C08L2666/02 , C08L2666/24 , C08L25/06
摘要： A mixture which comprises a) from 25 to 75% by weight of a block copolymer A which comprises at least one hard block S composed of vinylaromatic monomers and comprises one or more soft blocks BA in each case composed of from 0 to 5% by weight of vinylaromatic monomers and from 95 to 100% by weight of dienes, where the proportion by weight of the hard blocks S in the block copolymer A is from 65 to 90% by weight; b) from 5 to 25% by weight of a block copolymer B which comprises at least one hard block S composed of vinylaromatic monomers and comprises one or more copolymer blocks (B/S)B in each case composed of from 20 to 60% by weight of vinylaromatic monomers and from 80 to 40% by weight of dienes, where the proportion by weight of the hard blocks S in the block copolymer B is from 25 to 70% by weight; c) from 0 to 70% by weight of polystyrene or of a block copolymer C other than A and B, and d) from 0 to 6% by weight of a plasticizer D, where the entirety of components A) to D) gives 100% by weight, and use for transparent thermoforming foils or transparent injection-molded items.
摘要翻译：一种混合物，其包含a）25至75重量％的嵌段共聚物A，其包含至少一种由乙烯基芳族单体组成的硬质块S，并且包含一种或多种软块BA，每种情况由0至5重量％的乙烯基芳族单体和95〜100重量％的二烯，其中嵌段共聚物A中的硬质块S的重量比为65〜90重量％ b）5至25重量％的嵌段共聚物B，其包含至少一种由乙烯基芳族单体组成的硬质块S，并且包含一种或多种共聚物嵌段（B / S）B，每种情况下由20至60％由乙烯基芳族单体的重量和80〜40重量％的二烯，其中嵌段共聚物B中的硬质块S的重量比为25〜70重量％ c）0至70重量％的聚苯乙烯或除A和B之外的嵌段共聚物C，以及d）0至6重量％的增塑剂D，其中组分A）至D）的总量为100 重量％，用于透明热成型箔或透明注塑件。

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